What is barter? A: anything that serves as a medium of exchange, a unit of account, and a store of value
B: something that keeps its value if it is stored rather than used
C: the direct exchange of one set of goods or service for another
D: a means for comparing the values of goods and service

Brainliesttt answer in your own words. how did enlightenment ideas influence modern beliefs about the importance of education? support your answer with specific examples and evidence from the lessons.

President nixon's trip to china included apex

Marine exptoration of oil uses seismic waves to locate oil in the seabed. what is a negative impact from seismic waves on the aquatic ecosystem of the ocean? a. seismic waves kill microoganisms b. seismic waves disrupts the sand and causes seafloor erosion c. seismic waves have virtually no adverse affects on marine life d. seismic waves damage the sonar that dolphins and whales use to orient themselves underwater